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17 Cards in this Set
- Front
- Back
anterior/ventral body cavity subdivides into
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thoracic cavity
*** diaphragm *** abdominopelvic cavity |
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posterior/dorsal body cavity subdivides into
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cranial cavity - brain
vertebral canal - spinal cord |
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The body has __ main internal cavities which are then subdivided into smaller cavities. They are
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2
posterior/dorsal - head & neck Anterior/ventral - torso (...Abdomen) |
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viscera
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internal organs
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abdominopelvic cavity subdivides into
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abdominal cavity
pelvic cavity |
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the mediastinum is contained in which cavity?
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the thoracic
contains the heart, thymus, trachea, esophagus &c. |
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pleura
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serous membrane surrounding lungs, space between - pleural cavity - is filled with pleural fluid
parietal & visceral |
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parietal pleura
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serous membrane around lungs, next to thoracic wall
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visceral pleura
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serous membrane, adheres directly to lungs
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visceral pericardium
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serous membrane, adheres directly to the heart
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parietal pericardium
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serous membrane around the heart separated by the pericardial cavity
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peritonitis
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inflammation of the peritoneum
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many of the organs of the abdominopelvic cavity are covered by
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the visceral peritoneum
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the wall of the abdominal cavity is lined with
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the parietal peritoneum
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homeostasis
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the relative constancy of the body's internal environment
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negative feedback
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the primary homeostatic mechanism that maintains balance in the body
(vs positive feedback, which pushes change in the same direction) |
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positive feedback
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a mechanism that brings about an ever greater change in the same direction
(e.g., a fever causing metabolic changes which push the fever still higher) |